Cross-domain collaboration recommendation
Proceedings of the 18th ACM SIGKDD international conference on Knowledge discovery and data mining
Patent partner recommendation in enterprise social networks
Proceedings of the sixth ACM international conference on Web search and data mining
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The goal of the Facebook recommendation engine is to compare and rank heterogeneous types of content in order to find the most relevant recommendations based on user preference and page context. The challenges for such a recommendation engine include several aspects: 1) the online queries being processed are at very large scale; 2) with new content types and new user-generated content constantly added to the system, the candidate object set and underlying data distribution change rapidly; 3) different types of content usually have very distinct characteristics, which makes generic feature engineering difficult; and 4) unlike a search engine that can capture intention of users based on their search queries, our recommendation engine needs to focus more on users' profile and interests, past behaviors and current actions in order to infer their cognitive states. In this presentation, we would like to introduce an effective, scalable, online machine learning framework we developed in order to address the aforementioned challenges. We also want to discuss the insights, approaches and experiences we have accumulated during our research and development process.